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Get the best sound possible from your audio gear

AudioQuest's Columbia analog audio cables transfer signals with almost no noise or signal loss. Each cable features three solid copper conductors to effectively eliminate electrical and magnetic interference that can add brittleness to the sound. And AudioQuest uses an extremely pure grade of copper to minimize harshness and distortion, for outstanding clarity. Columbia XLR cables make a great choice for compatible high-performance audio components.

Dielectric-Bias System

Most higher-end cables require a break-in period before they perform their best. A charge builds up in the insulation through continual use, increasing the efficiency of the cable. This charge can dissipate when the cable's not in use, giving you less than optimal performance until it builds up again.

AudioQuest's Dielectric-Bias System (DBS) eliminates this break-in period. A small battery pack attached to the cable polarizes the insulation with a 48-volt charge, giving you clear, expressive sound from your system every time you turn it on. This also helps eliminate the time delay that can create audio jitter.

Air tube insulation and shielding

Each conductor has its own insulating air tube, which prevents information smearing better than foam insulation. An additional layer of shielding virtually eliminates electronic noise, for the cleanest signal possible.

High-quality connectors eliminate the weakest link

Columbia cables feature XLR connectors made of silver-plated copper. The connectors are fastened by cold welding  a process that uses high pressure and silver paste to minimize signal loss. By contrast, solder tends to impede the signal, and the heating of the copper conductor during soldering can negatively affect its performance.

Hands-on research

What's in the box?

Two 2.0-meter audio interconnect cables with a male XLR connector on one end and a female XLR connector on the other end (each with an attached 48V DBS pack)

Product Research

Features

Overview: This Audioquest Columbia product contains two 2-meter
audio interconnect cables with XLR connectors on each end. Each cable is
equipped with a 48-volt DBS pack which aligns the molecules in the dielectric,
and enhances performance. The cables are for
connecting high-end balanced audio sources with your XLR input-equipped
amplifier or receiver.

Triple-Balanced Design: The Columbia audio interconnect cables are
Triple-Balanced, with three separate insulated conductors. The shield is never
used as an inferior conductor. The two positive signals (inverting and
non-inverting) and the negative all get the same low-distortion conduction path.
The shield is attached to chassis ground through the case of the XLR, providing
extremely effective shielding without contaminating the quality of the negative
conducting path.

Solid Conductors: Columbia interconnects use two 21-gauge and one
20-gauge solid
conductors instead of stranded conductors. Electrical and magnetic interaction
between strands in conventional cables are the greatest source of distortion,
often causing a somewhat dirty harsh sound. Solid conductors produce less
distortion, thus produce a very clean sound.

Metal: Perfect-Surface Copper+ (PSC+) has a very smooth and
pure surface. AudioQuest's proprietary metal processing technology protects the
wire's surface at every stage of drawing and fabrication. An ultra pure copper
is kept soft, pure, and smooth as possible during the manufacturing process,
resulting in a very low distortion PSC+ conductor. The resulting sound is more
focused.

Dielectric-Bias System (DBS): Each Columbia audio cable has
an attached 48-volt Dielectric Bias System (DBS) pack to enhance performance.
All insulation slows down the signal on the conductor inside, and when the
insulation is unbiased, it slows down parts of the signal differently. This
creates problems with time-sensitive, multi-octave audio. The DBS creates a
strong, stable electrostatic field which saturates and polarizes the molecules
of the insulation. This minimizes energy storage in the insulation and the
multiple non-linear time-delays. The audio has more detail and dynamic contrast.
A test button and LED allow you to occasionally verify battery performance.

Insulation: All of Columbia's conductors are insulated using
Polyethylene Air Tubes. Air absorbs virtually no energy (which could be stored
and released as distortion), and Polyethylene is a low-loss material that causes
very little interference or distortion. The conductors and drainwire are wrapped
in a PVC jacket with a black, green and gray nylon braid on the outside.

Noise-Dissipation System: This cable uses a metal and carbon-loaded
synthetic shield
with 100% coverage to capture RF interference that could modulate the
equipment's ground reference. The RF is dissipated through a 22-gauge solid,
silver-plated copper drainwire.

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